Question

Write atomicity for Helium & Phosphorus?​

Answer 1

Answer:

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Explanation:

Phosphorous - As 4 atoms of phosphorus make one molecule of phosphorous, its atomicity is 4 and it is a poly atomic molecule. Helium - As helium is a noble and inert gas, it contains only one atom of helium, thus its atomicity is 1 and it is a mono atomic molecule.

Answer 2

phosphorus : 4

helium : 1

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